Regular Expressions 101

Pro

Non-Capturing Group(?:\{|\G(?!^))

1st Alternative\{

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

2nd Alternative\G(?!^)

\Gstart of current search

Negative Lookahead(?!^)

^start of line

Negated Character Class[^#}]*

*matches any number of characters outside the set below:

#the literal # (35₁₀ / 43₈ / 23₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

#the literal # (35₁₀ / 43₈ / 23₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

(?:\{|\G(?!^))[^#}]*\K#

New

\(C##nH##{##2##n##+##1}O\)

\(C##nH##{##2##n##+##1}O\)